Roll src/third_party/angle a7b91502cd7f..0d2c75f4d56a (5 commits)

https://chromium.googlesource.com/angle/angle.git/+log/a7b91502cd7f..0d2c75f4d56a

git log a7b91502cd7f..0d2c75f4d56a --date=short --first-parent --format='%ad %ae %s'
2020-01-16 cwallez@chromium.org DisplayGLX::isValidNativeWindow, avoid X11 exiting the program
2020-01-16 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/glslang/src d203754bc116..3ed344dd784e (3 commits)
2020-01-16 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/vulkan-validation-layers/src 834baaf8b227..ab883b9d257e (5 commits)
2020-01-16 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/spirv-tools/src 8013d477aeac..323a81fc5e30 (3 commits)
2020-01-16 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/SwiftShader 488d35ac0b1c..5fc197dc7669 (13 commits)

Created with:
  gclient setdep -r src/third_party/angle@0d2c75f4d56a

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/angle-chromium-autoroll
Please CC jonahr@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win-asan;luci.chromium.try:win_optional_gpu_tests_rel
Bug: None
Tbr: jonahr@google.com
Change-Id: I2951cb2563cb5121eef3087c893d0915dad51979
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2004492Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#732378}

DEPS

@@ -193,7 +193,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling ANGLE
   # and whatever else without interference from each other.
-  'angle_revision': 'a7b91502cd7fc8868ccb14dbd3a9d70ced5160ec',
+  'angle_revision': '0d2c75f4d56a12ca6308e8fb857205de86711657',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.